The feeling that one gets when talking to the person that they love with all of their heart and that person tells them that they are perfect(definition 8)

*Sam S. gave me butterflies when he told me that he loved me.
*I get butterflies whenever I see a box of Rice Krispies (not intended for all the understand)
*With the wonderful care of my doctor, Sam, the butterflies that he gives me can be relieved with kiss therapy.

The sensation of complete and total enjoyment when you are kissed (or in some cases, even acknowledged) by the object of your affection. Comprable to that of the sensation felt on a drop from a significant height (like on a rollercoaster).

intercourse fucking position. A variation of missionary: the man rises slightly more above the woman, and "floats freely" into her, and either he holds her calves (or feet) or she holds her knees folded back against her body and wide apart, to give him the maximum possible entry. Advantages: Man can ride high, right up to the womb; he can probe her very widely; extremely submissive female position and free dominant male role can excite both. Disadvantages: Can be strenuous: for extended sessions only lithe, fit bodies need apply!; also, not the best position for friction against ticklish ridges and main G-spots at front of the ridden cunt

Tracy loves butterfly, but only with manly men - and not on a full stomach!

A knife you can open and close by turning around the two sides of the grasp. Usually used in ghettos or for little assaults in quicky market.
For the clever ones you can learn some tricks that make you look very very dangerous with that knife.